MUSSELp
 
MUSSELpdb
 
 
Taxonomy
 
 
Geography
 
 
 

Page last updated
Thu 17 July 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!


Publication Johnson et al. (2018): cladograms
     publication summary | cladograms

Complete Citation

Johnson, N.A., C.H. Smith, J.M. Pfeiffer, C.R. Randklev, J.D. Williams & J.D. Austin. 2018. Integrative taxonomy resolves taxonomic uncertainty for freshwater mussels being considered for protection under the U.S. Endangered Species Act. Scientific Reports 8. 15892 (16 pp.). Available electronically.

Cladogram Figures

(click the figure number to see the cladogram)

Cladogram Figure 2
  +-------------------------------- Amblema_plicata       
  |                                                       
--+  +----------------------------- Elliptio_crassidens   
  |  |                                                    
  +--+  +-------------------------- Megalonaias_nervosa   
     |  |                                                 
     +--+  +----------------------- Uniomerus_tetralasmus 
        |  |                                              
        +--+  +-------------------- Theliderma_metanevra  
           |  |                                           
           |  |                 +-- Quadrula_quadrula     
           +--+  +--------------+                         
              |  |              +-- Quadrula_verrucosa    
              |  |                                        
              |  |           +----- Pustulosa_kieneriana  
              +--+  +--------+                            
                 |  |        |  +-- Pustulosa_infucata    
                 |  |        +--+                         
                 |  |           +-- Pustulosa_kleiniana   
                 +--+                                     
                    |           +-- Pustulosa_pustulosa   
                    |  +--------+                         
                    |  |        +-- Pustulosa_succissa    
                    +--+                                  
                       |  +-------- Cyclonaias_tuberculata
                       +--+                               
                          |  +----- Pustulosa_necki       
                          +--+                            
                             |  +-- Pustulosa_nodulata    
                             +--+                         
                                +-- Pustulosa_petrina     
 
NSF icon MUSSEL icon
"Making the world a better place, one mollusk at a time."